.... In the present study, crude oil was used as an example of an environmental stressor. Adult zebrafish (P 0 ) were dietarily exposed for 3 weeks to no, low, medium or high concentrations of crude oil. The F 1 offspring obtained from the P 0 groups were then assessed for transgenerational epigenetic transfer of oil...

... and memory formation in conjunction with predator detection is a form of inducible defense. * Authors for correspondence ( [email protected] ) 30 9 2009 © 2010. Lymnaea stagnalis long-term memory juvenile predator crayfish operant conditioning environmental stressor...